| 摘要 |
PURPOSE:To remove radioactive sewage, by forming a highly water-absorbable resin having water absorbing capacity 100 times or more its own wt. so as to set the filling ratio of said resin to a specific range. CONSTITUTION:A highly water-absorbable resin having water absorbing capacity of about 100-1,000 times its own wt. such as a starchy substance, a cellulosic substance, sodium polyacrylate, a sodium acrylate polymer or a polyethylene oxide derivative is covered with a nonwoven fabric composed of polyester, nylon or polyprophylene to form a sheet. The filling ratio of the highly water- absorbable resin is set so as to be adjusted to a range of formula [wherein Kp is the water absorbing capacity (kg/kg) of the highly water-absorbably resin]. By this method, a small consumption of sheet is enough and said sheet can be easily subjected to incineration treatment by drying the same after the absorption of radioactive sewage and movement treatment.
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